:root{
      --coral:#ef6c45;
      --coral-dark:#c94c31;
      --sun:#f6bd47;
      --sea:#1e8e9e;
      --sea-dark:#126776;
      --navy:#153447;
      --cream:#fff8eb;
      --sand:#efd7ae;
      --white:#ffffff;
      --ink:#24313a;
      --muted:#67747c;
      --shadow:0 18px 50px rgba(28,54,64,.14);
      --radius:26px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--cream);
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      line-height:1.6;
      overflow-x:hidden;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:auto}
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;
      font-weight:900;text-transform:uppercase;letter-spacing:.16em;
      font-size:.76rem;color:var(--coral-dark);
    }
    .eyebrow::before{content:"";width:26px;height:3px;border-radius:99px;background:var(--sun)}
    h1,h2,h3{line-height:1.06;margin:0;color:var(--navy)}
    h1{font-size:clamp(3rem,8vw,7.3rem);letter-spacing:-.07em}
    h2{font-size:clamp(2.2rem,5vw,4.4rem);letter-spacing:-.055em}
    h3{font-size:1.35rem}
    p{margin:0}
    .section{padding:105px 0}
    .section-head{max-width:760px;margin-bottom:46px}
    .section-head p{margin-top:18px;color:var(--muted);font-size:1.08rem}
    .btn{
      border:0;border-radius:999px;padding:14px 22px;
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      font-weight:900;transition:.25s ease;
    }
    .btn:hover{transform:translateY(-3px)}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 12px 25px rgba(239,108,69,.3)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-light{background:#fff;color:var(--navy);box-shadow:var(--shadow)}
    .btn-outline{border:2px solid rgba(21,52,71,.14);background:transparent;color:var(--navy)}
    .tag{
      display:inline-flex;padding:7px 11px;border-radius:999px;
      background:rgba(30,142,158,.1);color:var(--sea-dark);font-size:.78rem;font-weight:900;
    }

    /* Header */
    .site-header{
      position:fixed;inset:0 0 auto 0;z-index:1000;
      background:rgba(255,248,235,.82);backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(21,52,71,.07);
    }
    .nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:950;color:var(--navy)}
    .brand-mark{
      width:48px;height:48px;border-radius:50%;
      background:conic-gradient(from 210deg,var(--sea),var(--sun),var(--coral),var(--sea));
      display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px rgba(30,142,158,.22);
      border:4px solid #fff;
    }
    .brand-mark svg{width:28px}
    .brand span small{display:block;color:var(--coral);letter-spacing:.17em;font-size:.61rem;text-transform:uppercase}
    .nav-links{display:flex;align-items:center;gap:25px;font-size:.94rem;font-weight:800}
    .nav-links a{position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--coral);transition:.25s}
    .nav-links a:hover::after{right:0}
    .menu-toggle{display:none;border:0;background:transparent;width:46px;height:46px;border-radius:50%;font-size:1.4rem}

    /* Hero */
    .hero{
      min-height:100svh;padding:140px 0 80px;position:relative;display:grid;align-items:center;
      background:
        radial-gradient(circle at 82% 20%,rgba(246,189,71,.35),transparent 23%),
        radial-gradient(circle at 12% 85%,rgba(30,142,158,.18),transparent 24%),
        linear-gradient(135deg,#fffaf1 0%,#fff2dc 100%);
    }
    .hero::before{
      content:"";position:absolute;right:-130px;top:110px;width:560px;height:560px;border-radius:50%;
      background:linear-gradient(140deg,var(--sea),#5bc1c2);opacity:.95;
      box-shadow:inset 0 0 0 32px rgba(255,255,255,.08);
    }
    .hero::after{
      content:"";position:absolute;right:70px;bottom:40px;width:330px;height:180px;
      background:repeating-linear-gradient(135deg,var(--coral) 0 18px,var(--sun) 18px 36px,var(--sea) 36px 54px);
      clip-path:polygon(0 72%,7% 47%,14% 72%,21% 47%,28% 72%,35% 47%,42% 72%,49% 47%,56% 72%,63% 47%,70% 72%,77% 47%,84% 72%,91% 47%,100% 72%,100% 100%,0 100%);
      opacity:.82;
    }
    .hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
    .hero-copy{max-width:760px}
    .hero-copy h1 span{display:block;color:var(--coral)}
    .hero-copy .lead{font-size:clamp(1.08rem,2vw,1.35rem);max-width:650px;margin:26px 0;color:#52616a}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px}
    .hero-card{
      width:min(100%,430px);margin-left:auto;background:rgba(255,255,255,.92);
      border-radius:36px;padding:28px;box-shadow:0 30px 80px rgba(11,59,67,.25);
      transform:rotate(2deg);position:relative;
    }
    .hero-card::before{
      content:"";position:absolute;inset:12px;border:2px dashed rgba(239,108,69,.28);border-radius:28px;pointer-events:none
    }
    .poster{
      min-height:420px;border-radius:24px;padding:30px;display:flex;flex-direction:column;justify-content:space-between;
      color:#fff;background:
        linear-gradient(rgba(21,52,71,.12),rgba(21,52,71,.45)),
        radial-gradient(circle at 75% 20%,var(--sun) 0 13%,transparent 13.5%),
        linear-gradient(150deg,var(--sea) 0 58%,var(--sea-dark) 58% 100%);
      overflow:hidden;position:relative;
    }
    .poster::after{
      content:"";position:absolute;inset:auto -15% -15% -15%;height:48%;
      background:
        radial-gradient(ellipse at center top,transparent 0 44%,rgba(255,255,255,.13) 45% 46%,transparent 47%),
        repeating-radial-gradient(ellipse at center bottom,#fff0 0 26px,rgba(255,255,255,.14) 27px 29px);
      transform:rotate(-3deg);
    }
    .poster-top,.poster-bottom{position:relative;z-index:2}
    .poster .mini{font-weight:900;letter-spacing:.16em;text-transform:uppercase;font-size:.72rem}
    .poster strong{font-size:clamp(2.5rem,5vw,4.7rem);line-height:.86;display:block;margin-top:20px;letter-spacing:-.06em}
    .poster-bottom{display:flex;justify-content:space-between;align-items:end;gap:18px}
    .poster-date{font-weight:950;font-size:1.12rem}
    .poster-badge{width:78px;height:78px;border-radius:50%;display:grid;place-items:center;text-align:center;background:var(--coral);font-weight:950;line-height:1.05;transform:rotate(-8deg)}

    /* ticker */
    .ticker{background:var(--navy);color:#fff;overflow:hidden;padding:14px 0}
    .ticker-track{display:flex;gap:36px;width:max-content;animation:ticker 25s linear infinite;font-weight:900;text-transform:uppercase;letter-spacing:.1em}
    .ticker-track span::after{content:"✦";color:var(--sun);margin-left:36px}
    @keyframes ticker{to{transform:translateX(-50%)}}

    /* Intro */
    .intro-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}
    .visual-collage{min-height:540px;position:relative}
    .shape-photo{
      position:absolute;border-radius:34px;box-shadow:var(--shadow);overflow:hidden;
      display:flex;align-items:end;padding:25px;color:#fff;font-weight:900;
    }
    .shape-photo::before{content:"";position:absolute;inset:0;background:linear-gradient(transparent 40%,rgba(12,47,59,.72))}
    .shape-photo span{position:relative;z-index:1}
    .shape-one{inset:0 24% 22% 0;background:linear-gradient(145deg,#2aafba,#0d6675)}
    .shape-two{inset:29% 0 0 48%;background:linear-gradient(145deg,#f7c55b,#e86c45);transform:rotate(4deg)}
    .shape-three{width:190px;height:190px;right:5%;top:0;background:var(--coral);border-radius:50%;display:grid;place-items:center;text-align:center;padding:25px;transform:rotate(8deg)}
    .shape-photo svg{position:absolute;width:80%;opacity:.18;inset:10%}
    .intro-copy p{color:var(--muted);font-size:1.08rem;margin:22px 0}
    .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0}
    .stat{padding:22px 15px;background:#fff;border-radius:20px;box-shadow:0 10px 30px rgba(20,52,63,.07)}
    .stat strong{display:block;color:var(--coral);font-size:2.1rem;line-height:1}
    .stat span{font-weight:800;font-size:.82rem;color:var(--muted)}

    /* Program */
    .program{background:#fff}
    .day-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
    .day-tab{border:0;border-radius:999px;padding:12px 18px;background:#f3eee6;font-weight:900;color:var(--navy)}
    .day-tab.active{background:var(--navy);color:#fff}
    .schedule{display:grid;gap:14px}
    .event{
      display:grid;grid-template-columns:115px 1fr auto;gap:22px;align-items:center;
      padding:20px 22px;border-radius:20px;background:var(--cream);border:1px solid rgba(21,52,71,.06);
      transition:.25s;
    }
    .event:hover{transform:translateX(7px);box-shadow:0 13px 34px rgba(21,52,71,.08)}
    .event-time{font-size:1.24rem;font-weight:950;color:var(--coral)}
    .event p{color:var(--muted);font-size:.93rem;margin-top:4px}
    .program-note{margin-top:22px;padding:18px 20px;border-radius:18px;background:#fff4da;color:#705314;font-size:.92rem}

    /* Activities */
    .activity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .activity-card{
      min-height:340px;border-radius:var(--radius);padding:25px;position:relative;overflow:hidden;
      color:#fff;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow);
    }
    .activity-card::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 22%,rgba(12,40,53,.82))}
    .activity-card > *{position:relative;z-index:2}
    .activity-card h3{color:#fff;font-size:1.75rem;margin:9px 0}
    .activity-card p{opacity:.87}
    .activity-card:nth-child(1){background:linear-gradient(145deg,#3ab1bd,#075d70)}
    .activity-card:nth-child(2){background:linear-gradient(145deg,#f8c95f,#e86a42)}
    .activity-card:nth-child(3){background:linear-gradient(145deg,#ef7653,#9d3440)}
    .activity-icon{position:absolute!important;right:-15px;top:5px;font-size:9rem;opacity:.16!important;transform:rotate(10deg)}

    /* History */
    .history{background:var(--navy);color:#fff;position:relative;overflow:hidden}
    .history h2,.history h3{color:#fff}
    .history .eyebrow{color:var(--sun)}
    .history-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px}
    .history-copy p{color:#cbd7dc;margin-top:22px}
    .timeline{position:relative}
    .timeline::before{content:"";position:absolute;left:17px;top:10px;bottom:10px;width:2px;background:rgba(255,255,255,.18)}
    .timeline-item{position:relative;padding-left:58px;margin-bottom:34px}
    .timeline-dot{position:absolute;left:6px;top:0;width:24px;height:24px;border:6px solid var(--navy);border-radius:50%;background:var(--sun);box-shadow:0 0 0 2px var(--sun)}
    .timeline-item time{font-weight:950;color:var(--sun)}
    .timeline-item p{color:#b9c9d0;margin-top:7px;font-size:.94rem}

    /* Gallery */
    .gallery-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;grid-auto-rows:220px;gap:14px}
    .gallery-item{
      border:0;border-radius:22px;overflow:hidden;position:relative;padding:0;
      background:var(--sea);box-shadow:0 10px 30px rgba(21,52,71,.1);
    }
    .gallery-item:nth-child(1){grid-row:span 2;background:linear-gradient(145deg,#16a2ae,#075568)}
    .gallery-item:nth-child(2){background:linear-gradient(145deg,#ffcb63,#e96743)}
    .gallery-item:nth-child(3){background:linear-gradient(145deg,#e85d5d,#92334d)}
    .gallery-item:nth-child(4){grid-column:span 2;background:linear-gradient(145deg,#36a87f,#0b6d71)}
    .gallery-art{position:absolute;inset:0;display:grid;place-items:center;font-size:5rem}
    .gallery-item::after{content:"Ver foto";position:absolute;inset:auto 14px 14px auto;background:rgba(255,255,255,.9);padding:7px 11px;border-radius:99px;font-weight:900;color:var(--navy);font-size:.72rem}
    .gallery-item:hover .gallery-art{transform:scale(1.08) rotate(2deg)}
    .gallery-art{transition:.3s}

    /* Participate */
    .participate{background:linear-gradient(135deg,var(--sun),#ffdb7f)}
    .participate-box{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
    .participate h2{max-width:700px}
    .participate p{margin-top:20px;max-width:650px;color:#6a5424}
    .form-card{background:#fff;border-radius:28px;padding:28px;box-shadow:var(--shadow)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    label{font-weight:850;font-size:.82rem;color:var(--navy)}
    input,select,textarea{
      width:100%;border:1px solid #dce2e2;border-radius:14px;padding:13px 14px;background:#fafcfc;outline:none;
    }
    input:focus,select:focus,textarea:focus{border-color:var(--sea);box-shadow:0 0 0 3px rgba(30,142,158,.12)}
    textarea{resize:vertical;min-height:100px}
    .form-message{font-size:.85rem;margin-top:12px;color:var(--sea-dark);font-weight:800;min-height:24px}

    /* FAQ */
    .faq-list{max-width:900px}
    details{border-bottom:1px solid rgba(21,52,71,.12);padding:20px 0}
    summary{cursor:pointer;list-style:none;font-weight:950;color:var(--navy);font-size:1.08rem;display:flex;justify-content:space-between;gap:20px}
    summary::after{content:"+";font-size:1.5rem;color:var(--coral)}
    details[open] summary::after{content:"−"}
    details p{padding:13px 40px 0 0;color:var(--muted)}

    /* Contact/footer */
    .contact-card{
      background:var(--sea);color:#fff;border-radius:36px;padding:50px;
      display:grid;grid-template-columns:1fr auto;gap:35px;align-items:center;
      position:relative;overflow:hidden;
    }
    .contact-card::after{content:"☀";position:absolute;right:4%;top:-45px;font-size:12rem;opacity:.12}
    .contact-card h2{color:#fff}
    .contact-card p{margin-top:15px;color:#d8f1f1}
    footer{background:#102d3e;color:#fff;padding:52px 0 25px;margin-top:100px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:40px}
    footer p,footer a{color:#b8c8d0}
    footer h3{color:#fff;font-size:1rem;margin-bottom:13px}
    .footer-links{display:grid;gap:8px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:35px;padding-top:22px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.82rem;color:#9fb1ba}

    /* Modal */
    .modal{position:fixed;inset:0;background:rgba(8,25,34,.86);z-index:2000;display:none;place-items:center;padding:20px}
    .modal.open{display:grid}
    .modal-card{width:min(780px,100%);min-height:520px;border-radius:28px;background:linear-gradient(145deg,var(--sea),var(--coral));display:grid;place-items:center;position:relative;color:#fff}
    .modal-card .modal-art{font-size:9rem}
    .modal-close{position:absolute;right:18px;top:18px;border:0;background:#fff;width:44px;height:44px;border-radius:50%;font-size:1.4rem;color:var(--navy)}

    .reveal{opacity:0;transform:translateY(24px);transition:.7s ease}
    .reveal.visible{opacity:1;transform:none}

    @media(max-width:950px){
      .nav-links{
        position:fixed;inset:82px 0 auto 0;background:var(--cream);padding:28px;
        display:none;flex-direction:column;align-items:flex-start;border-bottom:1px solid rgba(21,52,71,.08)
      }
      .nav-links.open{display:flex}
      .menu-toggle{display:block}
      .nav .btn{display:none}
      .hero-grid,.intro-grid,.history-grid,.participate-box{grid-template-columns:1fr}
      .hero-card{margin:20px auto 0}
      .hero::before{opacity:.25}
      .activity-grid{grid-template-columns:1fr 1fr}
      .gallery-grid{grid-template-columns:1fr 1fr}
      .gallery-item:nth-child(1){grid-row:auto}
      .gallery-item:nth-child(4){grid-column:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:650px){
      .container{width:min(100% - 26px,var(--max))}
      .section{padding:75px 0}
      h1{font-size:3.6rem}
      .hero{padding-top:115px}
      .hero-actions{display:grid}
      .hero-actions .btn{width:100%}
      .hero-card{padding:15px;border-radius:27px}
      .poster{min-height:360px}
      .stats{grid-template-columns:1fr}
      .activity-grid,.gallery-grid{grid-template-columns:1fr}
      .event{grid-template-columns:82px 1fr}
      .event .tag{grid-column:2}
      .form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .contact-card{grid-template-columns:1fr;padding:32px 25px}
      .footer-grid{grid-template-columns:1fr}
      .visual-collage{min-height:430px}
    }

/* Multi-page additions */
.page-hero{padding:155px 0 75px;background:linear-gradient(135deg,#fffaf1,#ffe8c6);position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-80px;top:70px;width:320px;height:320px;border-radius:50%;background:linear-gradient(145deg,var(--sea),#69c8ca);opacity:.2}
.page-hero p{max-width:720px;margin-top:22px;color:var(--muted);font-size:1.12rem}
.breadcrumbs{font-weight:800;color:var(--sea-dark);margin-bottom:18px}
.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.info-card{background:#fff;padding:28px;border-radius:24px;box-shadow:var(--shadow)}
.info-card p{color:var(--muted);margin-top:12px}
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.photo-card{background:#fff;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.photo-card img{width:100%;height:240px;object-fit:cover}
.photo-card div{padding:18px}
.photo-card p{color:var(--muted);margin-top:6px}
.notice{padding:18px 20px;border-radius:18px;background:#fff3d5;color:#6a5014;border:1px solid rgba(246,189,71,.5)}
.map-box{min-height:420px;border-radius:28px;background:linear-gradient(145deg,#c9eef0,#fce1ae);display:grid;place-items:center;text-align:center;padding:40px;box-shadow:var(--shadow)}
.map-box strong{font-size:2rem;color:var(--navy)}
.legal{font-size:.95rem;color:var(--muted)}
.nav-links a.active::after{right:0}
.nav-links a.active{color:var(--coral-dark)}
@media(max-width:850px){.content-grid,.photo-grid{grid-template-columns:1fr}.photo-card img{height:210px}}